Update MainSwitchBar to Material Next style.

Fix: 182255113
Test: Run robotest and see the ui
Change-Id: I2d407bb463a13ed986fe7fe3611e4c00c55284dd
diff --git a/packages/SettingsLib/MainSwitchPreference/Android.bp b/packages/SettingsLib/MainSwitchPreference/Android.bp
index 7b7496c..4ce854a 100644
--- a/packages/SettingsLib/MainSwitchPreference/Android.bp
+++ b/packages/SettingsLib/MainSwitchPreference/Android.bp
@@ -14,7 +14,7 @@
     resource_dirs: ["res"],
 
     static_libs: [
-          "androidx.preference_preference",
+        "androidx.preference_preference",
     ],
 
     sdk_version: "system_current",